Home / 19,481.75-29,201.64-8,393.66

Finding the Fourth Proportional to 19,481.75, 29,201.64 and 8,393.66

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Solution

The fourth proportional to 19,481.75, 29,201.64 and 8,393.66 is: 12,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.75 : 29,201.64 = 8,393.66 : x
  2. Step 2: Convert to fraction form
    19,481.75/29,201.64 = 8,393.66/x
  3. Step 3: Cross multiply
    19,481.75x = 29,201.64 × 8,393.66
  4. Step 4: Simplify right side
    19,481.75x = 245,108,491.59
  5. Step 5: Solve for x
    x = 245,108,491.59/19,481.75
  6. Step 6: Final answer
    x = 12,581.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.